Home / 6,949.16-9,589.91-3,805.42

Finding the Fourth Proportional to 6,949.16, 9,589.91 and 3,805.42

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Solution

The fourth proportional to 6,949.16, 9,589.91 and 3,805.42 is: 5,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.16 : 9,589.91 = 3,805.42 : x
  2. Step 2: Convert to fraction form
    6,949.16/9,589.91 = 3,805.42/x
  3. Step 3: Cross multiply
    6,949.16x = 9,589.91 × 3,805.42
  4. Step 4: Simplify right side
    6,949.16x = 36,493,635.31
  5. Step 5: Solve for x
    x = 36,493,635.31/6,949.16
  6. Step 6: Final answer
    x = 5,251.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.